$base-color-primary: #7e9cff;
$--colors: 
(
    'primary': (
        'base': $base-color-primary,
    ),
        
);

@forward "element-plus/theme-chalk/src/common/var.scss" with
  (
    // do not use same name, it will override.
    $colors: $--colors,
    $button-padding-horizontal: ("default": 50px)
  );